Detail of one of some text stamped on the flowmeter. It reads

Flowmeter - LOX
20 to 100 GPM
Max. Freq.
450 CPS
2500 PSI Max.
NA 5-27299T2-1A

Interestingly, the flowmeter installed in F-1 engine F-6045 reads "Transducer - LOX" rather than "Flowmeter - LOX".

F-1 rocket engine LOX flowmeter stamp indicating 20 to 100 GPM
	NA 5-27299T2-1A

Photo Credit Eli Ziv
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